DI831 3BSE013212R1 ABB S800 Digital Input Module
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DI831 Digital Input Module
Description
The DI831 Digital Input Module has 16 channels for 48 volt d.c. digital inputs and
sequence of events (SOE) handling capabilities. The sequence of events time stamp
has a resolution of 0.4 ms for each input channel. The inputs are divided into two
isolated groups of eight channels with a voltage supervision input for each group.
Each input channel provides current limiting, EMC protection, input state LED
indicator and optical isolation from the ModuleBus.
Features
- 16 channels for 48 V d.c. inputs with current sinking.
- 2 isolated groups of 8 channels with voltage supervision.
- Input status indicators.
- Sequence of event (SOE) functionality.
- Shutter filter.
Technical Data
DI831 Digital Input Module Specifications
| Feature | DI831 Digital Input Module |
|---|---|
| Number of channels | 16 (2 x 8), current sinking |
| Rated voltage (Process power supply range) | 48 V d.c. (36 to 60 V d.c.) |
| Input voltage range, “1” | +30 to +60 V |
| Input voltage range, “0” | -60 to +10 V |
| Nominal input channel current | 5 mA @ 48 V d.c. |
| Input impedance | 9.6 kΩ |
| Maximum field cable length | 600 meters (656 yd.) |
| Bounce filter times (digital, selectable) | 0 to 100 ms |
| Shutter filter |
Shutter period: 0 to 255 s Shutter trigger: 0 to 255 changes Recovery time: 0 to 65535 s |
| Event recording resolution | 0.4 ms |
| Event recording accuracy | -0.3 ms to +0.7 ms |
| Process voltage supervision | 2 channels (1 per group) |
| Current consumption 5 V (Modulebus) |
Max: 120 mA Typ: 100 mA |
| Power dissipation | 3.2 W |
| Isolation | Yes, opto |
| Module termination units | TU810, TU812, TU814, TU818, TU830, TU833, TU838, and TU850 |
| MTU keying code | BD |
| Rated insulation voltage | 50 V |
| Dielectric test voltage | 500 V a.c. |